Adhesion Block Puzzle / 密着ブロックパズル (xenopaper)
"If you connect 4 blocks of the same color to form a square, the 4 blocks will be in extinction waiting state" - Author's description
Play here (Browser)
"If you connect 4 blocks of the same color to form a square, the 4 blocks will be in extinction waiting state" - Author's description
Play here (Browser)